Debt refinancing charge.

No definition available.

Name:	mpw_DebtRefinancingCharge
Namespace Prefix:	mpw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line Of Credit Maximum Borrowing Capacity Including Accordion Option

+ References

No definition available.

+ Details

Name:	mpw_LineOfCreditMaximumBorrowingCapacityIncludingAccordionOption
Namespace Prefix:	mpw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the required periodic payments of both interest and principal.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Article 5

-Subsection 19, 20, 22

+ Details

Name:	us-gaap_UnsecuredDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Debt - Credit Facility - Additional Information (Detail)				0 Months Ended				3 Months Ended		9 Months Ended					9 Months Ended			9 Months Ended	0 Months Ended		9 Months Ended
	Oct. 17, 2014 Subsequent Event [Member] USD ($)	Oct. 17, 2014 Subsequent Event [Member] EUR (€)	Oct. 17, 2014 Subsequent Event [Member] Maximum [Member] USD ($)	Jun. 19, 2014 Credit Facility [Member] USD ($)	Oct. 17, 2014 Credit Facility [Member] Subsequent Event [Member] USD ($)	Oct. 17, 2014 Credit Facility [Member] Subsequent Event [Member] EUR (€)	Oct. 17, 2014 Credit Facility [Member] Subsequent Event [Member] Maximum [Member] USD ($)	Sep. 30, 2014 Credit Facility [Member] Unsecured Revolving Credit Facility [Member] USD ($)	Jun. 19, 2014 Credit Facility [Member] Unsecured Revolving Credit Facility [Member] USD ($)	Sep. 30, 2014 Credit Facility [Member] Unsecured Revolving Credit Facility [Member] Federal Funds Rate [Member]	Sep. 30, 2014 Credit Facility [Member] Unsecured Revolving Credit Facility [Member] Euro Dollar Rate [Member]	Sep. 30, 2014 Credit Facility [Member] Unsecured Revolving Credit Facility [Member] London Interbank Offered Rate [Member]	Sep. 30, 2014 Credit Facility [Member] Unsecured Revolving Credit Facility [Member] Minimum [Member]	Jun. 19, 2014 Credit Facility [Member] Unsecured Revolving Credit Facility [Member] Minimum [Member] USD ($)	Sep. 30, 2014 Credit Facility [Member] Unsecured Revolving Credit Facility [Member] Minimum [Member] London Interbank Offered Rate [Member]	Sep. 30, 2014 Credit Facility [Member] Unsecured Revolving Credit Facility [Member] Maximum [Member]	Jun. 19, 2014 Credit Facility [Member] Unsecured Revolving Credit Facility [Member] Maximum [Member] USD ($)	Sep. 30, 2014 Credit Facility [Member] Unsecured Revolving Credit Facility [Member] Maximum [Member] London Interbank Offered Rate [Member]	Jun. 19, 2014 Credit Facility [Member] Term Loan [Member] USD ($)	Sep. 30, 2014 Credit Facility [Member] Term Loan [Member]	Sep. 30, 2014 Credit Facility [Member] Term Loan [Member] Federal Funds Rate [Member]	Sep. 30, 2014 Credit Facility [Member] Term Loan [Member] Euro Dollar Rate [Member]	Sep. 30, 2014 Credit Facility [Member] Term Loan [Member] London Interbank Offered Rate [Member]	Sep. 30, 2014 Credit Facility [Member] Term Loan [Member] Initial Spread [Member]	Sep. 30, 2014 Credit Facility [Member] Term Loan [Member] Minimum [Member]	Sep. 30, 2014 Credit Facility [Member] Term Loan [Member] Minimum [Member] London Interbank Offered Rate [Member]	Sep. 30, 2014 Credit Facility [Member] Term Loan [Member] Maximum [Member]	Sep. 30, 2014 Credit Facility [Member] Term Loan [Member] Maximum [Member] London Interbank Offered Rate [Member]
Debt Instrument [Line Items]
Amount of senior unsecured credit facility paid off				$ 900,000,000															$ 250,000,000
Amount of senior unsecured debt									775,000,000										125,000,000
Credit facilities, amount outstanding														400,000,000			100,000,000
Refinancing charge								300,000
Accordion to existing credit facility	250,000,000		400,000,000		250,000,000		400,000,000
Aggregate commited size of credit facility	$ 1,150,000,000	€ 500,000,000	$ 1,550,000,000		$ 1,150,000,000	€ 500,000,000	$ 1,550,000,000	$ 0.00
Debt instrument, basis spread of interest rate										0.50%	1.00%	2.00%	0.70%		1.70%	1.25%		2.25%			0.50%	1.00%	1.95%	0.95%	0.60%	1.60%	1.20%	2.20%
Credit facilities, percentage of commitment fee on unused capacity													0.25%			0.35%
Effective interest rate																				2.11%